Isabel Keith will help judge all UKLA entries next month.
The model and McFly member wore the brands on their honeymoon.
The model has generated interest across vintage lingerie specialists.
The Olympic champion has formed a partnership with Aqua Sphere.
The reality star has launched the line with Pretty Pink Princess.
Intimate Britney Spears will go on sale in Europe next month.
Philip Clarke will be replaced by Unilever executive Dave Lewis.